3 years ago

What do I have to do

1 answer:

Nookie1986 [14]3 years ago

4 0

T+b=280
2t+3b=660
eliminate tacos
multiply top equation by -2 and add to botom one

-2t-2b=-560
<u>2t+3b=660 +</u>
0t+1b=100

b=100
100 burritos
sub back
t+b=280
t+100=280
minus 100
t=180

180 tacos and 100 burritos

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